PLT DrScheme-Programming Environment Manual

How to Design Programs: An Introduction to Programming and Computing

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PLT DrScheme: Programming Environment Manual PLT ([email protected]) 372 Released December 2007
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Copyright notice Copyright c 1996-2007 PLT Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Library General Public License, Version 2 published by the Free Software Foundation. A copy of the license is included in the appendix entitled “License.” Send us your Web links If you use any parts or all of the PLT Scheme package (software, lecture notes) for one of your courses, for your research, or for your work, we would like to know about it. Furthermore, if you use it and publicize the fact on some Web page, we would like to link to that page. Please drop us a line at [email protected] . Evidence of interest helps the DrScheme Project to maintain the necessary intellectual and financial support. We appreciate your help. Thanks The following individuals contributed to the implementation of DrScheme and associated tools: Ian Barland, Eli Barzilay, Gann Bierner, John Clements, Richard Cobbe, Greg Cooper, Ryan Culpepper, Carl Eastlund, Moy Easwaran, Matthias Felleisen, Robby Findler, Kathi Fisler, Cormac Flanagan, Matthew Flatt, Sebastian Good, Paul Graunke, Kathy Gray, Dan Grossman, Bruce Hauman, Dave Herman, Mark Krentel, Shriram Krishnamurthi, Mario Latendresse, Guillaume Marceau, Jacob Matthews, Jay McCarthy, Philippe Meunier, Scott Owens, Jamie Raymond, Paul Schlie, Dorai Sitaram, Mike Sperber, Paul Steckler, Jens Axel Søgaard, Francisco Solsona, Sam Tobin-Hochstadt, Neil W. Van Dyke, Anton van Straaten, Dale Vaillancourt, Stephanie Weirich, Noel Welsh, Adam Wick, and ChongKai Zhu. Thanks to ChongKai Zhu, Ian Barland, Biep Durieux, Tim Hanson, Chihiro Kuraya, Philippe Meunier, Jens Axel Søgaard, Francisco Solsona, Mike Sperber, Reini Urban, and Paolo Zoppetti for their help translating DrScheme’s GUI to other languages. This manual was typeset using L A T E X, SL A T E X, and tex2page . Some typesetting macros were originally taken from Julian Smart’s Reference Manual for wxWindows 1.60: a portable C++ GUI toolkit . This manual was typeset on December 28, 2007.
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Contents 1 About DrScheme 1 2 Interface Essentials 2 2.1 Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.2 The Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 The Interactions Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.4 Tabbed Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.5 Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.6 Languages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.7 Executables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.8 Printed Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.8.1 Constructor-style Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.8.2 Quasiquote-style Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.9 Input and Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.10 XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3 Interface Reference 13 3.1 Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.1.1 File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.1.2 Edit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.1.3 View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.1.4 Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.1.5 Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.1.6 Special . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.1.7 Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 i
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CONTENTS CONTENTS 3.1.8 Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.2 Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.3 Keyboard Shortcuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.3.1 Moving Around . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.3.2 Editing Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.3.3 File Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.3.4 Searching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.3.5 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.3.6 Interactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.3.7 Defining Custom Shortcuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.4 DrScheme Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.4.1 Program Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.4.2 Backup and Autosave Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.4.3 Preference Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4 Extending DrScheme 24 4.1 Teachpacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.2 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.3 Environment Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 5 Frequently Asked Questions 27 5.1 Supported Operating Systems and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5.2 Using DrScheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 5.3 Memory and Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 5.4 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 License
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